285324417869 has 2 divisors, whose sum is σ = 285324417870. Its totient is φ = 285324417868.

The previous prime is 285324417839. The next prime is 285324417929. The reversal of 285324417869 is 968714423582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285294856900 + 29560969 = 534130^2 + 5437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285324417869 is a prime.

It is a super-2 number, since 2×285324417869² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285324417839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142662208934 + 142662208935.

It is an arithmetic number, because the mean of its divisors is an integer number (142662208935).

Almost surely, 2^285324417869 is an apocalyptic number.

It is an amenable number.

285324417869 is a deficient number, since it is larger than the sum of its proper divisors (1).

285324417869 is an equidigital number, since it uses as much as digits as its factorization.

285324417869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 59.

The spelling of 285324417869 in words is "two hundred eighty-five billion, three hundred twenty-four million, four hundred seventeen thousand, eight hundred sixty-nine".